Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YY",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YY",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.46/1.46, allocations: 252 MB / 267 MB, free: 10.99 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009192/0.0009192, allocations: 188.8 kB / 326.6 MB, free: 2.227 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.722/1.722, allocations: 205.4 MB / 0.5777 GB, free: 20.32 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008322/0.000832, allocations: 95.03 kB / 0.6823 GB, free: 12.89 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0003529/0.000353, allocations: 9.406 kB / 0.7965 GB, free: 135.3 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2319/0.2323, allocations: 106.3 MB / 0.9003 GB, free: 63.8 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY): time 0.01526/0.2476, allocations: 17.81 MB / 0.9177 GB, free: 45.93 MB / 0.6042 GB Notification: Performance of NFInst.instExpressions: time 0.009849/0.2575, allocations: 6.875 MB / 0.9245 GB, free: 39.04 MB / 0.6042 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002192/0.2598, allocations: 47.88 kB / 0.9245 GB, free: 38.99 MB / 0.6042 GB Notification: Performance of NFTyping.typeComponents: time 0.001434/0.2612, allocations: 417 kB / 0.9249 GB, free: 38.58 MB / 0.6042 GB Notification: Performance of NFTyping.typeBindings: time 0.003523/0.2648, allocations: 1.23 MB / 0.9261 GB, free: 37.35 MB / 0.6042 GB Notification: Performance of NFTyping.typeClassSections: time 0.002654/0.2675, allocations: 0.7937 MB / 0.9269 GB, free: 36.55 MB / 0.6042 GB Notification: Performance of NFFlatten.flatten: time 0.006672/0.2741, allocations: 7.004 MB / 0.9337 GB, free: 29.54 MB / 0.6042 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01062/0.2848, allocations: 8.626 MB / 0.9421 GB, free: 20.82 MB / 0.6042 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00338/0.2882, allocations: 1.853 MB / 0.9439 GB, free: 18.96 MB / 0.6042 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004167/0.2924, allocations: 2.812 MB / 0.9467 GB, free: 16.14 MB / 0.6042 GB Notification: Performance of NFPackage.collectConstants: time 0.0006268/0.2931, allocations: 256 kB / 0.9469 GB, free: 15.89 MB / 0.6042 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002045/0.2951, allocations: 0.7101 MB / 0.9476 GB, free: 15.18 MB / 0.6042 GB Notification: Performance of NFScalarize.scalarize: time 0.001788/0.2969, allocations: 2.035 MB / 0.9496 GB, free: 13.14 MB / 0.6042 GB Notification: Performance of NFVerifyModel.verify: time 0.0008954/0.2978, allocations: 0.7576 MB / 0.9504 GB, free: 12.38 MB / 0.6042 GB Notification: Performance of NFConvertDAE.convert: time 0.005708/0.3035, allocations: 7.142 MB / 0.9573 GB, free: 5.219 MB / 0.6042 GB Notification: Performance of FrontEnd - DAE generated: time 6.291e-06/0.3036, allocations: 0 / 0.9573 GB, free: 5.219 MB / 0.6042 GB Notification: Performance of FrontEnd: time 3.226e-06/0.3036, allocations: 0 / 0.9573 GB, free: 5.219 MB / 0.6042 GB Notification: Performance of Transformations before backend: time 0.0002336/0.3038, allocations: 0 / 0.9573 GB, free: 5.219 MB / 0.6042 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1094 * Number of variables: 1094 Notification: Performance of Generate backend data structure: time 0.007216/0.3111, allocations: 3.325 MB / 0.9606 GB, free: 1.832 MB / 0.6042 GB Notification: Performance of prepare preOptimizeDAE: time 4.163e-05/0.3111, allocations: 12.03 kB / 0.9606 GB, free: 1.82 MB / 0.6042 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001546/0.3127, allocations: 0.5957 MB / 0.9612 GB, free: 1.215 MB / 0.6042 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01188/0.3246, allocations: 2.386 MB / 0.9635 GB, free: 14.82 MB / 0.6198 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005877/0.3305, allocations: 2.28 MB / 0.9657 GB, free: 12.5 MB / 0.6198 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002834/0.3308, allocations: 299.9 kB / 0.966 GB, free: 12.2 MB / 0.6198 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001402/0.3322, allocations: 384 kB / 0.9664 GB, free: 11.83 MB / 0.6198 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0186/0.3508, allocations: 7.628 MB / 0.9738 GB, free: 4.082 MB / 0.6198 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.014e-05/0.351, allocations: 11.92 kB / 0.9738 GB, free: 4.07 MB / 0.6198 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005714/0.3515, allocations: 164 kB / 0.974 GB, free: 3.91 MB / 0.6198 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005262/0.3521, allocations: 338.8 kB / 0.9743 GB, free: 3.578 MB / 0.6198 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01762/0.3697, allocations: 7.241 MB / 0.9814 GB, free: 12.32 MB / 0.6355 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0419/0.4117, allocations: 28.92 MB / 1.01 GB, free: 12.93 MB / 0.6667 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007276/0.419, allocations: 3.658 MB / 1.013 GB, free: 9.109 MB / 0.6667 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004828/0.4238, allocations: 1.995 MB / 1.015 GB, free: 7.094 MB / 0.6667 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002304/0.4241, allocations: 126.4 kB / 1.015 GB, free: 6.953 MB / 0.6667 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.422e-05/0.4241, allocations: 55.81 kB / 1.015 GB, free: 6.891 MB / 0.6667 GB Notification: Performance of pre-optimization done (n=176): time 5.711e-06/0.4242, allocations: 0 / 1.015 GB, free: 6.891 MB / 0.6667 GB Notification: Performance of matching and sorting (n=221): time 0.08229/0.5064, allocations: 24.77 MB / 1.04 GB, free: 14.01 MB / 0.698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000172/0.5067, allocations: 235.6 kB / 1.04 GB, free: 13.73 MB / 0.698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002721/0.5094, allocations: 1.616 MB / 1.041 GB, free: 12.11 MB / 0.698 GB Notification: Performance of collectPreVariables (initialization): time 0.0005575/0.51, allocations: 65.69 kB / 1.041 GB, free: 12.04 MB / 0.698 GB Notification: Performance of collectInitialEqns (initialization): time 0.001436/0.5114, allocations: 1.748 MB / 1.043 GB, free: 10.26 MB / 0.698 GB Notification: Performance of collectInitialBindings (initialization): time 0.001178/0.5126, allocations: 0.751 MB / 1.044 GB, free: 9.5 MB / 0.698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002265/0.5128, allocations: 64 kB / 1.044 GB, free: 9.438 MB / 0.698 GB Notification: Performance of setup shared object (initialization): time 0.0002804/0.5131, allocations: 444.4 kB / 1.044 GB, free: 8.996 MB / 0.698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005703/0.5188, allocations: 2.445 MB / 1.047 GB, free: 6.547 MB / 0.698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007058/0.5259, allocations: 3.562 MB / 1.05 GB, free: 2.484 MB / 0.698 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.5434/1.069, allocations: 2.924 MB / 1.053 GB, free: 134.6 MB / 0.698 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.986e-05/1.069, allocations: 13.19 kB / 1.053 GB, free: 134.6 MB / 0.698 GB Notification: Performance of matching and sorting (n=400) (initialization): time 0.02936/1.099, allocations: 9.989 MB / 1.063 GB, free: 134.3 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 0.000697/1.1, allocations: 1.126 MB / 1.064 GB, free: 132.9 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.875e-05/1.1, allocations: 36.3 kB / 1.064 GB, free: 132.9 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02175/1.121, allocations: 5.468 MB / 1.069 GB, free: 132.8 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00443/1.126, allocations: 1.034 MB / 1.07 GB, free: 132.8 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03356/1.16, allocations: 19.28 MB / 1.089 GB, free: 124.4 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004447/1.164, allocations: 0.5828 MB / 1.09 GB, free: 124.2 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005338/1.165, allocations: 159.1 kB / 1.09 GB, free: 124.1 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 1.718e-05/1.165, allocations: 7.672 kB / 1.09 GB, free: 124.1 MB / 0.698 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01985/1.184, allocations: 8.282 MB / 1.098 GB, free: 118.7 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001575/1.185, allocations: 36 kB / 1.098 GB, free: 118.7 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0125/1.197, allocations: 3.449 MB / 1.101 GB, free: 115.2 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005041/1.202, allocations: 1.151 MB / 1.102 GB, free: 114.1 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0159/1.218, allocations: 10.62 MB / 1.113 GB, free: 103.4 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004024/1.222, allocations: 0.5329 MB / 1.113 GB, free: 102.9 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003254/1.223, allocations: 172.1 kB / 1.114 GB, free: 102.7 MB / 0.698 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 159 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (330): * Single equations (assignments): 328 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(6,100.0%) 30} * Non-linear torn systems: 1 {6 30} Notification: Performance of prepare postOptimizeDAE: time 0.002769/1.225, allocations: 1.69 MB / 1.115 GB, free: 101 MB / 0.698 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004867/1.226, allocations: 209.6 kB / 1.115 GB, free: 100.8 MB / 0.698 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0219/1.248, allocations: 8.775 MB / 1.124 GB, free: 92.04 MB / 0.698 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.567e-05/1.248, allocations: 24 kB / 1.124 GB, free: 92.02 MB / 0.698 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.969e-05/1.248, allocations: 13.16 kB / 1.124 GB, free: 92.01 MB / 0.698 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.286e-05/1.248, allocations: 17.12 kB / 1.124 GB, free: 91.99 MB / 0.698 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0288/1.277, allocations: 14.59 MB / 1.138 GB, free: 77.24 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.908e-05/1.277, allocations: 8 kB / 1.138 GB, free: 77.23 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003004/1.28, allocations: 0.7105 MB / 1.139 GB, free: 76.52 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01788/1.298, allocations: 5.14 MB / 1.144 GB, free: 71.37 MB / 0.698 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005662/1.298, allocations: 67.94 kB / 1.144 GB, free: 71.3 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02655/1.325, allocations: 18.21 MB / 1.162 GB, free: 52.83 MB / 0.698 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.029e-05/1.325, allocations: 15.89 kB / 1.162 GB, free: 52.81 MB / 0.698 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02139/1.346, allocations: 8.842 MB / 1.17 GB, free: 43.85 MB / 0.698 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001613/1.348, allocations: 0.6606 MB / 1.171 GB, free: 43.17 MB / 0.698 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004303/1.348, allocations: 47.98 kB / 1.171 GB, free: 43.12 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003073/1.352, allocations: 0.4914 MB / 1.172 GB, free: 42.63 MB / 0.698 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000538/1.352, allocations: 189.5 kB / 1.172 GB, free: 42.45 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001744/1.352, allocations: 79.95 kB / 1.172 GB, free: 42.37 MB / 0.698 GB Notification: Performance of sorting global known variables: time 0.001312/1.354, allocations: 1.083 MB / 1.173 GB, free: 41.29 MB / 0.698 GB Notification: Performance of sort global known variables: time 2.31e-07/1.354, allocations: 0 / 1.173 GB, free: 41.29 MB / 0.698 GB Notification: Performance of remove unused functions: time 0.005005/1.359, allocations: 1.723 MB / 1.175 GB, free: 39.56 MB / 0.698 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (154): * Single equations (assignments): 152 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(6,100.0%) 30} * Non-linear torn systems: 1 {6 30} Notification: Performance of Backend phase and start with SimCode phase: time 0.02105/1.38, allocations: 9.489 MB / 1.184 GB, free: 29.94 MB / 0.698 GB Notification: Performance of simCode: created initialization part: time 0.02441/1.404, allocations: 10.84 MB / 1.194 GB, free: 19.07 MB / 0.698 GB Notification: Performance of simCode: created event and clocks part: time 1.472e-05/1.404, allocations: 4.188 kB / 1.194 GB, free: 19.06 MB / 0.698 GB Notification: Performance of simCode: created simulation system equations: time 0.008876/1.413, allocations: 3.814 MB / 1.198 GB, free: 15.23 MB / 0.698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001968/1.415, allocations: 277.2 kB / 1.198 GB, free: 14.97 MB / 0.698 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05674/1.472, allocations: 27.79 MB / 1.226 GB, free: 2.004 MB / 0.7136 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003689/1.476, allocations: 2.92 MB / 1.228 GB, free: 15.05 MB / 0.7292 GB Notification: Performance of simCode: alias equations: time 0.005763/1.481, allocations: 1.676 MB / 1.23 GB, free: 13.37 MB / 0.7292 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002133/1.484, allocations: 1.296 MB / 1.231 GB, free: 12.07 MB / 0.7292 GB Notification: Performance of SimCode: time 1.663e-06/1.484, allocations: 0 / 1.231 GB, free: 12.07 MB / 0.7292 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1415/1.625, allocations: 87.38 MB / 1.317 GB, free: 5.051 MB / 0.8073 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002411/1.625, allocations: 299.3 kB / 1.317 GB, free: 4.688 MB / 0.8073 GB Notification: Performance of buildModelFMU: Generate platform static: time 4.096/5.721, allocations: 0 / 1.317 GB, free: 4.688 MB / 0.8073 GB (rm -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YY_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YY.fmu > Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY.pipe 2>&1)